debian-mirror-gitlab/spec/models/concerns/bulk_insert_safe_spec.rb
2020-06-23 00:09:42 +05:30

199 lines
6 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
describe BulkInsertSafe do
class BulkInsertItem < ActiveRecord::Base
include BulkInsertSafe
include ShaAttribute
validates :name, :enum_value, :secret_value, :sha_value, :jsonb_value, presence: true
ENUM_VALUES = {
case_1: 1
}.freeze
sha_attribute :sha_value
enum enum_value: ENUM_VALUES
attr_encrypted :secret_value,
mode: :per_attribute_iv,
algorithm: 'aes-256-gcm',
key: Settings.attr_encrypted_db_key_base_32,
insecure_mode: false
default_value_for :enum_value, 'case_1'
default_value_for :secret_value, 'my-secret'
default_value_for :sha_value, '2fd4e1c67a2d28fced849ee1bb76e7391b93eb12'
default_value_for :jsonb_value, { "key" => "value" }
def self.valid_list(count)
Array.new(count) { |n| new(name: "item-#{n}") }
end
def self.invalid_list(count)
Array.new(count) { new }
end
end
module InheritedUnsafeMethods
extend ActiveSupport::Concern
included do
after_save -> { "unsafe" }
end
end
module InheritedSafeMethods
extend ActiveSupport::Concern
included do
after_initialize -> { "safe" }
end
end
before(:all) do
ActiveRecord::Schema.define do
create_table :bulk_insert_items, force: true do |t|
t.string :name, null: true
t.integer :enum_value, null: false
t.text :encrypted_secret_value, null: false
t.string :encrypted_secret_value_iv, null: false
t.binary :sha_value, null: false, limit: 20
t.jsonb :jsonb_value, null: false
t.index :name, unique: true
end
end
BulkInsertItem.reset_column_information
end
after(:all) do
ActiveRecord::Schema.define do
drop_table :bulk_insert_items, force: true
end
BulkInsertItem.reset_column_information
end
describe BulkInsertItem do
it_behaves_like 'a BulkInsertSafe model', described_class do
let(:valid_items_for_bulk_insertion) { described_class.valid_list(10) }
let(:invalid_items_for_bulk_insertion) { described_class.invalid_list(10) }
end
context 'when inheriting class methods' do
it 'raises an error when method is not bulk-insert safe' do
expect { described_class.include(InheritedUnsafeMethods) }
.to raise_error(described_class::MethodNotAllowedError)
end
it 'does not raise an error when method is bulk-insert safe' do
expect { described_class.include(InheritedSafeMethods) }.not_to raise_error
end
end
context 'primary keys' do
it 'raises error if primary keys are set prior to insertion' do
item = described_class.new(name: 'valid', id: 10)
expect { described_class.bulk_insert!([item]) }
.to raise_error(described_class::PrimaryKeySetError)
end
end
describe '.bulk_insert!' do
it 'inserts items in the given number of batches' do
items = described_class.valid_list(10)
expect(ActiveRecord::InsertAll).to receive(:new).twice.and_call_original
described_class.bulk_insert!(items, batch_size: 5)
end
it 'items can be properly fetched from database' do
items = described_class.valid_list(10)
described_class.bulk_insert!(items)
attribute_names = described_class.attribute_names - %w[id created_at updated_at]
expect(described_class.last(items.size).pluck(*attribute_names)).to eq(
items.pluck(*attribute_names))
end
it 'rolls back the transaction when any item is invalid' do
# second batch is bad
all_items = described_class.valid_list(10) +
described_class.invalid_list(10)
expect do
described_class.bulk_insert!(all_items, batch_size: 2) rescue nil
end.not_to change { described_class.count }
end
it 'does nothing and returns an empty array when items are empty' do
expect(described_class.bulk_insert!([])).to eq([])
expect(described_class.count).to eq(0)
end
context 'with returns option set' do
context 'when is set to :ids' do
it 'return an array with the primary key values for all inserted records' do
items = described_class.valid_list(1)
expect(described_class.bulk_insert!(items, returns: :ids)).to contain_exactly(a_kind_of(Integer))
end
end
context 'when is set to nil' do
it 'returns an empty array' do
items = described_class.valid_list(1)
expect(described_class.bulk_insert!(items, returns: nil)).to eq([])
end
end
context 'when is set to anything else' do
it 'raises an error' do
items = described_class.valid_list(1)
expect { described_class.bulk_insert!([items], returns: [:id, :name]) }
.to raise_error(ArgumentError, "returns needs to be :ids or nil")
end
end
end
end
context 'when duplicate items are to be inserted' do
let!(:existing_object) { described_class.create!(name: 'duplicate', secret_value: 'old value') }
let(:new_object) { described_class.new(name: 'duplicate', secret_value: 'new value') }
describe '.bulk_insert!' do
context 'when skip_duplicates is set to false' do
it 'raises an exception' do
expect { described_class.bulk_insert!([new_object], skip_duplicates: false) }
.to raise_error(ActiveRecord::RecordNotUnique)
end
end
context 'when skip_duplicates is set to true' do
it 'does not update existing object' do
described_class.bulk_insert!([new_object], skip_duplicates: true)
expect(existing_object.reload.secret_value).to eq('old value')
end
end
end
describe '.bulk_upsert!' do
it 'updates existing object' do
described_class.bulk_upsert!([new_object], unique_by: %w[name])
expect(existing_object.reload.secret_value).to eq('new value')
end
end
end
end
end